2.1 sec in total
508 ms
1.5 sec
137 ms
Click here to check amazing Interlijn content. Otherwise, check out these important facts you probably never knew about interlijn.nl
Een goede website, degelijk en snel, seo-proof. Dankzij de heldere handleiding kunt u er zelf mee werken.
Visit interlijn.nlWe analyzed Interlijn.nl page load time and found that the first response time was 508 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
interlijn.nl performance score
name
value
score
weighting
Value4.1 s
22/100
10%
Value5.5 s
19/100
25%
Value6.8 s
35/100
10%
Value280 ms
81/100
30%
Value0.167
71/100
15%
Value5.7 s
68/100
10%
508 ms
603 ms
24 ms
39 ms
808 ms
Our browser made a total of 21 requests to load all elements on the main page. We found that 71% of them (15 requests) were addressed to the original Interlijn.nl, 10% (2 requests) were made to Fonts.googleapis.com and 10% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (808 ms) belongs to the original domain Interlijn.nl.
Page size can be reduced by 375.8 kB (65%)
582.5 kB
206.7 kB
In fact, the total size of Interlijn.nl main page is 582.5 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Javascripts take 524.7 kB which makes up the majority of the site volume.
Potential reduce by 13.9 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 13.9 kB or 73% of the original size.
Potential reduce by 226 B
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Interlijn images are well optimized though.
Potential reduce by 360.6 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 360.6 kB or 69% of the original size.
Potential reduce by 1.1 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Interlijn.nl needs all CSS files to be minified and compressed as it can save up to 1.1 kB or 77% of the original size.
Number of requests can be reduced by 5 (29%)
17
12
The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Interlijn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
interlijn.nl
508 ms
cb830f678218ca99dc186636c8a4bec7.css
603 ms
css
24 ms
css
39 ms
3dad29488f2d5cc0611359945288182a.js
808 ms
system.css
104 ms
analytics.js
32 ms
twitter.png
183 ms
googleplus.png
184 ms
linkedin.png
185 ms
logo-interlijn.png
235 ms
menu_arrow.png
184 ms
pinbeeldscherm.jpg
267 ms
fietsen.jpg
248 ms
monitor.png
265 ms
InfoBestel.png
271 ms
bestelbus.png
288 ms
kantoorpand.jpg
337 ms
v0SdcGFAl2aezM9Vq_aFTQ.ttf
12 ms
nj47mAZe0mYUIySgfn0wpQ.ttf
12 ms
collect
13 ms
interlijn.nl accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Image elements do not have [alt] attributes
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
interlijn.nl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
interlijn.nl SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
NL
NL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Interlijn.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it matches the claimed language. Our system also found out that Interlijn.nl main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
interlijn.nl
Open Graph description is not detected on the main page of Interlijn. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: